Bond Performance of Carbon Fiber-Reinforced Polymer Bar with Dual Functions of Reinforcement and Cathodic Protection for Reinforced Concrete Structures

Table 4

Results of the polarization resistance measurements at 120 days of ICCP application.

Specimen No.	ICCP Current density (mA/m^2)	Linear polarization resistance (kOhms)	Corrosion current density (μA/cm^2)	Corrosion stage
I-0-RF	0	0.367	1.28	High
I-5-4M	5	3.409	0.13	Low
I-20-4M	20	0.963	0.48	Low
I-50-4M	50	3.884	0.12	Low
I-100-4M	100	3.279	0.14	Low